#!/usr/bin/python3

import numpy

x = numpy.round(numpy.random.normal(1.75, 0.2, 5000),2)
y = numpy.round(numpy.random.normal(100, 10, 5000), 2)
z = numpy.column_stack((x, y))
print(z)
print(numpy.mean(z[:, 0]))
print(numpy.median(z[:, 0]))
print(numpy.corrcoef(z[:, 0 ], z[:, 1]))
print(numpy.std(z[:, 0]))